APA aipamena

Bellamy, J. C. (1982). Digital telephony. New York: John Wiley and Sons.

Chicago Style aipamena

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.

MLA aipamena

Bellamy, John C. Digital Telephony. New York: John Wiley and Sons, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.